v3.26.1
Segment Reporting (Details)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
USD ($)
segment
Mar. 31, 2025
USD ($)
Dec. 31, 2025
USD ($)
Segment Reporting      
Number of reporting segments | segment 2    
Operating revenues $ 1,013,177 $ 948,455  
Salaries, wages and benefits 422,104 377,311  
Aircraft maintenance, materials and repairs 213,027 209,100  
Depreciation and amortization 90,216 89,446  
Interest expense 24,465 27,118  
Other segment expense (income) items $ 155,595 $ 124,762  
Segment Reporting, Other Segment Item, Composition, Description Other segment items include aircraft fuel; airport related expenses; other operating expenses consisting primarily of property taxes, hull and liability insurance, simulator costs, aircraft rentals, crew per diem and crew hotel costs; interest income and other expense, net. Other segment items include aircraft fuel; airport related expenses; other operating expenses consisting primarily of property taxes, hull and liability insurance, simulator costs, aircraft rentals, crew per diem and crew hotel costs; interest income and other expense, net.  
Segment profit $ 107,770 $ 120,718  
Total assets 7,346,338 7,114,266 $ 7,386,249
Capital expenditures (including non-cash) 130,129 118,916  
Deposits on aircraft 6,457 5,140  
SkyWest Airlines and SWC      
Segment Reporting      
Operating revenues 855,182 801,651  
Salaries, wages and benefits 421,439 376,646  
Aircraft maintenance, materials and repairs 206,492 201,476  
Depreciation and amortization 37,346 37,748  
Interest expense 2,735 2,981  
Other segment expense (income) items 161,660 128,530  
Segment profit 25,510 54,270  
Total assets 3,227,598 3,040,242  
Capital expenditures (including non-cash) 110,680 118,916  
SkyWest Leasing      
Segment Reporting      
Operating revenues 157,995 146,804  
Salaries, wages and benefits 665 665  
Aircraft maintenance, materials and repairs 6,535 7,624  
Depreciation and amortization 52,870 51,698  
Interest expense 21,730 24,137  
Other segment expense (income) items (6,065) (3,768)  
Segment profit 82,260 66,448  
Total assets 4,118,740 4,074,024  
Capital expenditures (including non-cash) 19,449    
Deposits on aircraft $ 6,457 $ 5,140